linux-kernel - Re: [PATCH] lockdep: annotate DECLARE_WAIT_QUEUE

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Message-Id: <1162197035.24333.5.camel@localhost>
Date:	Mon, 30 Oct 2006 09:30:35 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	Greg KH <gregkh@...e.de>,
	Markus Lidel <markus.lidel@...dowconnect.com>,
	Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH] lockdep: annotate DECLARE_WAIT_QUEUE_HEAD

Hi Peter,

> kernel: INFO: trying to register non-static key.
> kernel: the code is fine but needs lockdep annotation.
> kernel: turning off the locking correctness validator.
> kernel:  [<c04051ed>] show_trace_log_lvl+0x58/0x16a
> kernel:  [<c04057fa>] show_trace+0xd/0x10
> kernel:  [<c0405913>] dump_stack+0x19/0x1b
> kernel:  [<c043b1e2>] __lock_acquire+0xf0/0x90d
> kernel:  [<c043bf70>] lock_acquire+0x4b/0x6b
> kernel:  [<c061472f>] _spin_lock_irqsave+0x22/0x32
> kernel:  [<c04363d3>] prepare_to_wait+0x17/0x4b
> kernel:  [<f89a24b6>] lpfc_do_work+0xdd/0xcc2 [lpfc]
> kernel:  [<c04361b9>] kthread+0xc3/0xf2
> kernel:  [<c0402005>] kernel_thread_helper+0x5/0xb
> 
> Another case of non-static lockdep keys; duplicate the paradigm set by
> DECLARE_COMPLETION_ONSTACK and introduce DECLARE_WAIT_QUEUE_HEAD_ONSTACK.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

for the Bluetooth subsystem part of this patch:

Signed-off-by: Marcel Holtmann <marcel@...tmann.org>

Regards

Marcel


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